You’re halfway there! The top of your uterus now reaches your belly button and will grow about a centimetre per week. The fetus measures around 6 inches/ 15 centimetres long from crown to rump and weighs about 9 ounces/ 240 grams.
She has started to swallow amniotic fluid, and her kidneys continue to make urine. Hair on the scalp is sprouting.
Sensory development reaches its peak this week. The nerve cells serving each of the senses — taste, smell, hearing, seeing, and touch — are now developing in their specialised areas of the brain. Nerve cell production slows down as existing nerve cells grow larger and make more complex connections. If you’re carrying a baby girl, she already has roughly six million eggs in her ovaries. By the time she’s born, she’ll have about one million.
You no doubt feel the kicking and somersaulting of your growing baby. At times, she may be so mobile that you can’t sleep. The next ten weeks or so will be your baby’s busiest and most active time, until the womb gets too crowded. Two will soon be three and that will mean lots of changes.